which alcohol produces the most energy per gram of gasoline

CHEM1101 2014

CHEM1101 2014-J-9 June 2014 • The Second Law states that all observable processes must involve a net increase in entropy When liquid water freezes into ice at 0 C the entropy of the water decreases Since the freezing of water is certainly observable the processes must still satisfy the Second Law Provide a brief explanation of how this

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Advantages and Disadvantages of Ethanol

This is the reason why ethanol is cleaner is made from green plants and trees not from rotted plants and animals The energy released while burning ethanol is green (obtained from alive plants and trees) and is not black like the energy produced by gasoline and diesel fuel (which is

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Ethanol as an alternative fuel

Oxygenated = less energy per gram more grams are needed for the energy to be as affective as normal petroleum Increased aldehyde emissions Nitrogen oxides produced Uses vital resources – grain land water it is said that food is being taken away from undeveloped countries which is contributing to famine

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PHY Exam 1

Study 99 PHY Exam 1 flashcards from Madeline K on StudyBlue Which of the following contains the most energy per gram? uranium Which is the least expensive--for the same energy delivered? coal The kinetic energy of a typical -gram meteor is approximately equal 150 grams of TNT Coal reserves in the United States are expected to last for hundreds of years A limitation of all electric

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5 3 Enthalpy – Chemistry

From the data in Table 2 determine which of the following fuels produces the greatest amount of heat per gram when burned under standard conditions: CO(g) CH 4 (g) or C 2 H 2 (g) The enthalpy of combustion of hard coal averages −35 kJ/g that of gasoline 1 28 10 5 kJ/gal How many kilograms of hard coal provide the same amount of heat

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Why do longer hydrocarbons produce more energy per g

05 05 2013Really stuggling to find information on this subject could anyone point me in the direction of an official website or paper im doing this for a school asignment and cannot find anywhere which explains why the longer a hydrocarbon is the more energy it produces per gram any help really appreciated please include ur source if u post an answer :)

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Biofuels

So ethanol produces MORE carbon dioxide than gasoline For butanol about 2 37 kilograms of carbon dioxide are produce per kilogram burned Because it returns somewhere on the order of 29 MJ/kilogram we only need about 1 14 kilograms to get the same energy content as gasoline Thus for the same energy content butanol produces only about 2 7

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1 Energy and Power

I think you'll find that this table is one of the most interesting ones in this entire textbook It is full of surprises The most interesting column is the last one Energy per gram object Calories (or Watt-hours) joules compared to TNT bullet (at sound speed 1000 ft per sec) 0 01 40 0 015 battery (auto) 03 125 0 05

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How much ethanol is in gasoline and how does it affect

How much ethanol is in gasoline and how does it affect fuel economy? The U S Energy Information Administration (EIA) estimates that in 2018 the 142 86 billion gallons of finished motor gasoline consumed in the United States contained about 14 38 billion gallons of fuel ethanol equal to about 10% of the total volume of finished motor gasoline consumption

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What is ethanol

a particular type of alcohol found in beer wine and distilled spirits ethanol is the most widely used-and abused-drug in our society it is also the only legal nonprescription drug that produces euphoria an energy-containing molecule that contains 7 kcalories per gram and is made by the fermentation of carbohydtrates from plant products

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isopropanol as a camping/cooking fuel : chemistry

Hence methanol produces the least amount of energy upon combustion at about 6 Kj per gram while pentanol with 5 carbons is at about 20 Kj per gram The density of most liquid is the same so in a given volume of alcohol you can pack more heat energy of you use a longer chain alcohol If you can find pure isopropanol without water you well get

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Ethanol (C2H5OH)

Ethanol (C 2 H 5 OH) Ethanol also called ethyl alcohol pure alcohol grain alcohol or drinking alcohol is a volatile flammable colorless liquid It is a psychoactive drug best known as the type of alcohol found in alcoholic beverages and in modern thermometers

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(15) Energy

Compare that to the energy obtained by burning gasoline which gives about 11 5 calories per gram (but is poisonous) Oil and fat come pretty close! Ethyl alcohol the stuff in beer and whiskey has about 7 cal/gr Some people might not classify it as a poison but its chemical relatives in the alcohol family (e g methyl alcohol) are indeed

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Ethanol and Octane For Beginners

Really a lose-lose for the most part This is where ethanol comes in In terms of its octane rating ethanol has a rating of 113 As mentioned above fuels with a higher octane rating reduce engine knocking and perform better Also almost all gasoline in the US contains 10 percent ethanol When you mix 10 percent 113 octane ethanol with 85

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Ethanol and Octane For Beginners

Really a lose-lose for the most part This is where ethanol comes in In terms of its octane rating ethanol has a rating of 113 As mentioned above fuels with a higher octane rating reduce engine knocking and perform better Also almost all gasoline in the US contains 10 percent ethanol

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Investigating the Heat Energy Released from Biofuels Aim

Investigating the Heat Energy Released from Biofuels Aim: This report will aim to compare the heat energy released when biomethanol mixed with gasoline as a fuel to power vehicles releases the most heat energy per gram and Bioethanol's amount of heat energy released was

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How do we calculate the energy produced from complete

It says that's the amount of energy for one mole of octane But you have 1 gram You need to figure out how many moles that is First find out the molar mass of the substance Add up the atomic mass of each atom in the molecule Your molecule is

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Liquid Fuel Measurements and Conversions

1 kilometer per liter = 100 liters per 100 kilometers 1 kilometer per liter = 42 5 gallons per 100 miles * Energy contents are expressed as either High (gross) Heating Value (HHV) or Lower (net) Heating Value (LHV) LHV is closest to the actual energy yield in most cases HHV (including condensation of

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Isopropyl alcohol

Isopropyl Alcohol is an isomer of propyl alcohol with antibacterial properties Although the exact mechanism of isopropanol's disinfecting action is not known it might kill cells by denaturing cell proteins and DNA interfering with cellular metabolism and dissolving cell lipo-protein membranes

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Butanol fuel

Alcohol fuels have less energy per unit weight and unit volume than gasoline To make it possible to compare the net energy released per cycle a measure called the fuels specific energy is sometimes used It is defined as the energy released per air fuel ratio The net energy released per cycle is higher for butanol than ethanol or methanol and

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Mother Earth Alcohol Fuel: Alcohol as an Engine Fuel

The heating value of a fuel is a measure of how much energy we can get from it on a per-unit basis be it pounds or gallons When comparing alcohol to gasoline using this measuring stick it's obvious that ethanol contains only about 63% of the energy that gasoline does mainly because of the presence of oxygen in the alcohol's structure

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Butanol fuel

Compared to ethanol butanol can be mixed in higher ratios with gasoline for use in existing cars without the need for retrofit as the air-fuel ratio and energy content are closer to that of gasoline Alcohol fuels have less energy per unit weight and unit volume than gasoline

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